scholarly journals Age, Growth, and Reproduction of Common Sole, Solea solea (Linnaeus, 1758) in the Sea of Marmara

2021 ◽  
Author(s):  
Mukadder ARSLAN İHSANOĞLU ◽  
İsmail Burak DABAN ◽  
Ali İŞMEN ◽  
Cahide Çiğdem YIĞIN
Keyword(s):  
Sea Of Marmara ◽  
Solea Solea ◽  
Common Sole ◽  
Growth And Reproduction

Comparative analysis of the diet, growth and reproduction of the soles, Solea solea and Solea senegalensis, occurring in sympatry along the Portuguese coast

2010 ◽  
Vol 90 (5) ◽  
pp. 995-1003 ◽  
Author(s):  
Célia M. Teixeira ◽  
Henrique N. Cabral
Keyword(s):  
Gonadosomatic Index ◽  
Solea Senegalensis ◽  
Winter Period ◽  
Growth Equation ◽  
Senegalese Sole ◽  
Portuguese Coast ◽  
Fishing Vessels ◽  
Solea Solea ◽  
Common Sole ◽  
Growth And Reproduction

Common sole, Solea solea and Senegalese sole, S. senegalensis, were collected between January 2003 and June 2005 from commercial fishing vessels operating with gill-nets and bottom trawls along the Portuguese coast, to examine diet, age and growth and reproduction. Soles fed mainly on crustaceans, polychaetes and bivalves. Feeding activity was highest in summer, for males and for the largest individuals. Significant differences were found between the proportion of prey items according to season, sex and size-class. Common sole presented a wider dietary breadth compared to Senegalese sole. Dietary overlap between the two species was higher for the winter period and for females. Age of soles was determined from sagittae otoliths readings. The length of fish analysed varied between 187 mm and 462 mm (oldest fish 9 years), for S. solea, and between 199 mm and 472 mm (oldest fish 8 years), for S. senegalensis. The von Bertalanffy growth equation coefficients differed between sexes. For both species, the asymptotic length L∞ and growth coefficient k obtained for females were higher compared to those estimated for males. The highest values of the gonadosomatic index were obtained for the winter period, when the highest proportion of individuals at spawning stage was recorded.

scholarly journals Growth pattern, mortality and reproductive biology of common sole, Solea solea (Linneaus, 1758), in the Sea of Marmara, Turkey

2021 ◽  
Vol 50 (4) ◽  
pp. 398-410
Author(s):  
Abdullah Ekrem Kahraman ◽  
Taner Yıldız ◽  
Uğur Uzer ◽  
Özgür Çanak
Keyword(s):  
Growth Pattern ◽  
Growth Parameters ◽  
Gonadosomatic Index ◽  
Fishing Mortality ◽  
Seasonal Growth ◽  
Allometric Growth ◽  
Sea Of Marmara ◽  
Solea Solea ◽  
The Common ◽  
Common Sole

Abstract The study deals with the growth pattern, mortality, and reproduction of common sole, Solea solea (Linneaus, 1758), from the Sea of Marmara (Turkey). A total of 580 fish specimens were sampled monthly from October 2017 to September 2018. The total length of all sampled individuals ranged from 11.1 to 29.5 cm, corresponding to ages from 1 to 3 years. The length–weight relationship was expressed as W = 0.022 TL2.6838, where the slope indicated negative allometric growth. Growth parameters were L ∞ = 33.7 cm, k = 0.48, and t 0 = −0.18 for all samples. A seasonally oscillating growth model, indicating the amplitude of oscillations, revealed an important seasonal growth pattern. Total, natural, and fishing mortality rates were calculated as 1.42, 0.47, and 1.01, respectively. The exploitation ratio (E = 0.68) indicates that the fishing pressure on the common sole in the Sea of Marmara was high. The sex ratio (♀/♂) was 1.18. The gonadosomatic index (GSI) for females showed that two main spawning seasons were observed: one in spring (May) and one in autumn (September–October). Sizes at the onset of sexual maturity were estimated for both females and males at 21.6 and 18.6 cm, respectively.

Evaluation of micralgae‐supplemented diets and enriched decapsulated artemia cyst powder as novel diets for post‐weaned common sole ( Solea solea ) larvae

2021 ◽  
Author(s):  
Walaa A. Shawky ◽  
Heba S. El‐Sayed ◽  
Norhan E. Saleh ◽  
Amany A. Ismael ◽  
Abdel‐Fattah M. El‐Sayed
Keyword(s):  
Solea Solea ◽  
Artemia Cyst ◽  
Common Sole

Determinacy of fecundity in sole (Solea solea) from the Bristol Channel

1990 ◽  
Vol 70 (4) ◽  
pp. 803-813 ◽  
Author(s):  
J. W. Horwood ◽  
M. Greer Walker
Keyword(s):  
Bay Of Biscay ◽  
English Channel ◽  
Potential Fecundity ◽  
Frequency Distributions ◽  
The North ◽  
Size Frequency ◽  
Solea Solea ◽  
The North Sea ◽  
The Common ◽  
Common Sole

Ovaries of the common sole (Solea solea (Linnaeus)) were collected prior to, or at the beginning of, spawning from the spawning grounds in the Bristol Channel. Size frequency distributions of oocytes over 100 μm are presented. They clearly show a break in the size frequency distributions, at about 170 μm, indicating that the production of new oocytes to be spawned that season had ceased. It indicates that the sole is a determinate spawner and that, at least for this population, an annual potential fecundity can be measured. Estimated annual fecundity at length of Bristol Channel sole is calculated, and values are compared with those found for sole from the North Sea, eastern English Channel and the Bay of Biscay.

Sign in / Sign up

Export Citation Format

Share Document